Radiator bending machine



RADIATOR BENDING MACHINE Inventor Wiz ham/J. awa 'sm March 24, 1942. A w. L.. HARRISON v 2,277,489

' RADIATOR BENDING MACHINE Filed May 24, ,1959 -5 sheets-sheet 2 A orneys Mar`h24,19425. W, HARRIS@ 2,277,489

` RADIATOR BENDING MACHINE Filed may 24, 195 5 sheets-sheet s Inventor d'0 M'llz'am Z-farrzlforzg By d Anw M A itorneys March 24,

W. L.. HARRISON RADIATOR BENDING MACHINE Filed May 24, 1959 5 Sheets-Sheet 4 ihn-f, i

Inventor @www March 24, E942. w. L .,HARRISON v 2,277,489

RADIATOR ENDING MAQHIE Filed May 24, 1939 5 Sheets-Sheet 5 Attorneys Patented Mar. 24, 1942 UNITED STATES PATENT OFFICE 2,277,489 RADIATOR BENDING MAoHnvE william L.l Harrisn, Lbttsburg, va. v Application May 24, 1939, Serial'No. 275,557 claims. (o1. v15s-48) This invention relates to new and useful improvements in bending machines and more particularly to a radiator bending or reshaping machine.

The principal object of the present invention is to provide a machine for bending damaged radiators in a quick, accurate and practical manner.

Still another important object of the invention is to provide a radiator bending or reshaping machine which will allow for a considerable number of adjustments whereby minute straightening or reforming steps can be executed.

'I'hese and various other important objects and advantages of the invention will become apparent to the reader of the following specification.

In the drawings:

Figure 1 represents a side elevational view.

Figure 2 is a front end elevational view.

Figure 3 is a vertical sectional view on a lin 3-3 of Figure l.

Figure 4 is a vertical sectional view taken substantially on a line 4-4 of Figure 2.

Figure 5 is a fragmentary detailed sectional View through one of the adjusting Winches.

Figure 6 is a fragmentary enlarged vertical sectional view on a line 6-6 of Figure l.

Figure 7 is a horizontal sectional View through the lower clamp.

Figure 8 is a horizontal sectional View through the upper clamp. y

Figure 9 is a horizontal sectional view through one of the travelling reshapers.

Figure 10 is a fragmentary top plan View of the travelling reshaper shown in Figure 9 with an attachment thereto.

Figure 11 is a perspective view of the attachment shown in Figure 10.

Figure 12 is a sectional view on the line IZ-I2 of Figure 10.

Figure 13 is a fragmentary perspective view of the pressure block of the structure shown in' Figure 9.

Figure 14 is a fragmentary perspective view.

Figure 15 is a perspective view of a form of pressure block.

Figure 16 is a fragmentary top plan View of the form of pressure'block shown in Figure`15 used in conjunction with a modified form of carrier bar.

Figure 17 is a diagrammatic view disclosing the cable arrangement for lifting and lowering the different parts.

Figure 18 is a side elevational view diagrammatically showing the means for lifting one of the slide type reshapers such as shown in Figure 9,

Figure 19 is a fragmentary top plan view showing the lowermost stationary clamp.

Figure 20 is a section on the line 29-29 of Figure 6. l

Referring to the drawings wherein like numerals designate like parts, it can be seen that the numeral 5 represents a platform having a drawer 6 in one end thereof. The frame consists of the vertically extending I-beams I-'I at one end and 8-8 at the opposite end, and these beams are suitably secured to the platform 5.

Adjacent the upper portion of the frame are the vertically radjustable units generally referred to by numeram 9 and I0. K The upper unit consists of the U-shaped horizontally disposed frame I I `which includes the leg portions I2-I2 between which extends and is "slidablymovable the bar I 3. `The back wall of the U-shaped member II and the bar I3 have their vopposed faces `covered with rubber or cushion strips I4, so as to notunnecessarily mar the radiator being reformed.

Extending from the leg portions I2 are the pins I5, rthere being two pins projecting from each leg portion and these pins are slidably disposed through a corresponding crossbar I6 at each end of the unit.

Screw shafts I1 are threadedly disposed through the back portion of the frame II and swivelly disposed as at I8 through the bar I3. The outer end of each of these screw shafts I'I has a hand wheel I9. Extending longitudinally from the ends of the barI3 arel the reduced extensions 20 which are disposed through the slots 2I in the legs I2. Obviously, by rotating the hand yWheels I9 the bar I3 can be drawn inwardly or outwardly with respect to the back wall of the frame- I I.

To move the unit longitudinally of the frame of the machine, a screw shaft 22 is provided at one end of the unit and threadedly disposed through the correspondingbar I6 and this has its inner end split swivelled to the adjacent leg `I2 as at 23.

The unit generally referred to by numeral I9 is constructed in substantially the same manner as the unit 9, and reference can be had to the unit I0 by understanding that all of the numerals relative to the unit 9 and corresponding to like parts in unit I0 have primed. It will also be observed that the unit IIJ is oppositely disposed in the frame of the machine with respect to the unit 9 with the hand wheels I9 on the opposite side of the machine from the hand wheels I9 and the hand Wheel 24 on the screw shaft 22 at the opposite end of the machine from the hand wheel 24 of the unit 9.

Guide rails 25 vertically extending on the posts 1 and 8 receive the bars I8 and |6. As shown in Figure 3, set screws 28 can be driven through the guide rail and against a bar 21 which is slidably disposed on the guide pin 28 at the upper and lower ends thereof to effect the desired pressure against the bars I6 and l5.

On the side of the I-beams 1 and 8 are the vertical guide rails 39 in each of which is a pressure bar 3| having its end portions slidably disposed on the guide members 32 against the tension of compression springs 33 on the saidA guide members 32 and this bar 3| can be urged to the de sired extent by the handle equipped screws 34 against the end portion of the corresponding side bar 35. There is one of these side bars 35 at each side of the machine and each has a longitudi` nally extending slot 36 therein in which the riders 31-31 are disposed. A plate 38 is slidably disposed against the inside of the bar 35 while cross members 39-39 are provided at the outside of the frame over the riders 31'. Screw members 49 are disposed through the cross bars 39, riders 31 and into the end portions of the plate 38, as shown in Figure 9. These screws 40 have handles 4| which can be rotated to tighten the parts above stated to fix the plate 38 at the proper adjusted position along the corresponding bar 35.

Feedable through the slide plate 38 is the screw shaft 42 having the hand wheel 43 at its outer end and a force applying the foot 44 at its inner end. The foot 44 can have a block 45 disposed thereon, the block having a pair of recesses for the stud 45 and the resilient spacing bead41, or on the other hand the foot 44 can have its stud engaged into the opening 48 at the intermediate portion of the elongated bar 49 and at the end portions of this bar 49 are the studs 50, thus permitting a pair of the blocks shown in Figure l to be carried.

As shown in Figure 6, from the upper portion of each I-beam 1 and 8 extends a pair of bars 5|-52, the bars 52 being longer than the bars 5| and having their upper ends bent over the machine to a bridgincr position. (See Figure 6.) Between one pair of thev bars 5| and 52 are disposed the gear 53, the gear 54 and the idler 55. The idler 55 is on the shaft 58 while the gear 53 is on the shaft 51, The gear 54 is on the shaft 58 and has a squared end 59 over which can be disposed a crank or hand wheel.

On each end portion of each of the shafts 58 are three pulleys, 69, 6| and 82. Figures 6 and 20, to secure the upper ends of the cables, illustrated in Figure 1'1, a pair of semicylindrical clamp members 83--93 are positioned on each end of each of the shafts 51 and bolts 84 are disposed through these semi-cylindrical members and the shaft 51 so thatv one of the members can be clamped against the adjacent terminal of the cables. (See Figure 20.)

Below the travelling reshaper supporting bars 3| are the clamp units generally referred to by numerals 88 and 61 v(see Figure 2).

The unit 81 consists of a bar 88 (see Figure 19) which has the plank 99 secured at one side thereof and provided with a resilient facing 10.

Screws 1| are swivelly disposed through the ends of the bar 88 and these screws 1| are disposed through the corresponding corner posts 1 or 8 and equipped with jamb nuts 12 at opposite sides of the post so that the screw is'positively set As shown in and is not adapted for ready adjustment as is the clamp member 66.

The clamp member 6E also consists of a bar 68 having the plank 89 with the resilient facing 10', but the screws 1|' are provided with hand wheels 83 as shown in Figure 2.

A modification of the form of clamp means is shown in Figure 16 wherein an attachment is employed in conjunction with the bar 68 and this consists of the bar 68a having the threaded members 84 extending therefrom for disposition through the openings 85 in the bar 68 or 68'. This bar 68a has a plurality of pins or studs 86 projecting therefrom and over which can be disposed one or more of the blocks 45 (see Figure 15). This is for the purpose of getting pressure at. several points at this particular level on the radiator.

As can be seen in Figure 17, the cable arrangement is adaptable for elevating or lowering the upper units 9 and I0. This consists in, for instance, disposing a cable 81 downwardly from one shaft 51 over a pulley 69 to connect to the frame as at 88, a second cable 89 disposed downwardly from the shaft 51 to pass over a pulley 6| and to extend downwardly under a pulley 89 to a pulley 99 and from there upwardly at the other end of the machine to pass over a pulley 9| and attach to the frame as at 92.

Additional cables extend downwardly from the shaft 51 to connect to the frame and others to extend downwardly under the lower pulleys 89 and 90 to pass upwardly and connect to the ends of the frames at the opposite ends of the machine. v

Thus it can be seen that by rotating the shaft 51 the frames of the units 9 and I0 can be adjusted to the desired elevation and inclination.

As can be seen in Figure 1, the hoods 93 are disposable over the upper portions of the end frames and a boltl 94 extending upwardly from the connective portions 5'2 of the bars 52 extends through the corresponding hood 92 and can take a nut 95 to prevent displacement of the hood. The hood is slotted to accommodate the corresponding squared shaft end 59.

As shown in Figures 5 and 18, means for controlling each of the bars 3| consists of a box 95 into which4 extends the shaft 91 having the hand wheel 98 at its outer end. In the box is the pinion 99 on the shaft 91v meshing with the gear |00 on the shaft |0| on which is the drum |92 which has an intermediate portion of the cable |03 wound thereon as at |04. The cable |03 extends upwardly over a pulley |08 and then downwardly to attach to the corresponding bar 3| as at |01. The cable extends in the other direction downwardly from the drum |02 under a pulley |08 and then under the platform 5 to the pulley |09 from where it extends upwardly and over the pulley ||0 to extend downwardly and connect to the bar 3| as at Obviously, by rotating the drum |02 (see Figure 5) in one direction, the bar 3| will be elevated and in the opposite direction the bar will be lowered. There is one of these controls at each side of the machine for the corresponding bar 3|.

To hold the drums |02 the corresponding gears |00 are equipped with pawls Ia, each having a stem |00b extending through the top of the corresponding case. A handle |000 is provided at the upper end of each stem |002), and a compression spring |00d between each pawl and the corresponding case top serves to hold the pawl engaged with the corresponding gear |00.

In the operation of the machine it can be seen that the radiator is clamped in position between the clamp units 6B and 61, with the upper portion of the radiator extending upwardly through the units 9 and I 0 (see Fig. 7). Obviously, the units 9 and l0 can be operated to bring the radiator to a proper position and in instances where this maneuver is insuiiicient to actually consummate the reshaping operation, additional force can be applied by means of the structures, one of which is clearly shown in Figure 9. Obviously the units operated by the hand wheels 43 can be shifted horizontally on the bars 35 to reach malformations in a transverse direction, and these units can also be actuated vertically by the cables |93 controllable by the hand wheel 98. This hand wheel operates the cable drum l i12 as illustrated clearly in Fig. 5.

While the foregoing specification sets forth the invention in specic terms, it is to be understood that numerous changes in the shape, size and materials may be resorted to without departing from the spirit and scope of the invention as claimed hereinafter.

Having described the invention, what is claimed as new is:

1. A radiator re-shaping apparatus comprising a stationary frame, a pair of radiator holding units vertically movable in the stationary frame, each provided with a U-shaped horizontally disposed member and a clamp bar movably disposed therein; means on each of the units for feeding the clamp bar against a radiator disposed through the U-shaped frame, and adjusting means for each of the units constructed and arranged to shift the U-shaped frame horizontally.

2. A radiator re-shaping apparatus comprising a stationary frame, a pair of radiator holding units vertically movable in the stationary frame, each provided with a U-shaped horizontally disposed member and a clamp bar movably disposed therein; means on each of the units for feeding the clamp bar against a radiator disposed through the U-shaped frame, and adjusting means for each of the units' constructed and arranged to shift the U-shaped frame horizontally, and means attached to the ends of the units and operable to .lift or lower the ends of each U-shaped frame together or independently.

3. A radiator re-shaping apparatus comprising a stationary frame, a pair of radiator holding units vertically movable in the stationary frame, each provided with a U-shaped horizontally disposed Vmember and a clamp bar movably disposed therein; means on each of the units for feeding the clamp bar against a radiator disposed through the U-shaped frame, and adjusting means for each of the units constructed and arranged to shift the U-shaped frame horizontally, said stationary frame including channeled corner posts, said adjusting means each comprising a bar having a threaded opening therein, a screw shaft disposed through the opening, a handmember on the screw shaft for rotating the shaft, a swivel connecting the shaft and the adjacent portion of the corresponding unit, the ends of the bar being slidable in adjacent channeled posts.

4. A radiator rel-shaping apparatus comprising a stationary frame, a pair of radiator holding units vertically movable in the stationary frame, each provided with a U-shaped horizontally disposed member and a clamp bar movably disposed therein; means on each of the units for feeding the clamp bar against a radiator disposed through the U-shaped frame, and adjusting means for each of the units constructed and arranged to shift the U-shaped frame horizontally, said stationary frame including channeled corner posts, said adjusting means each comprising a bar having a threaded opening therein, a screw shaft disposed through the opening, a hand member on the screw shaft for rotating the shaft, a swivel connecting the shaft and the adjacent portion of the corresponding unit, the ends of the bar being slidable in adjacent kchanneled posts, and means attached to the bars and operable to lift or lower the ends of each U-shaped frame together or independently.

5. A radiator re-shaping apparatus comprising a stationary frame, a pair of radiator holding units vertically movable in the stationary frame, each provided with a U-shaped horizontally disposed member and a clamp bar movably disposed therein; means on each of the units for feeding the clamp bar against a radiator disposed through the U-shaped frame, and adjusting means for each of the units constructed and arranged to shift the U-shaped frame horizontally, and vertically and horizontally adjustable force applying members mounted on opposite sides of the stationary frame and means for moving the said force applying members inwardly and against desired portions of a radiator held by the said movable radiator holding units.

WILLIAM L. HARRISON. 

